CA1190640A - Circuit de traitement de signaux video - Google Patents

Circuit de traitement de signaux video

Info

Publication number
CA1190640A
CA1190640A CA000397305A CA397305A CA1190640A CA 1190640 A CA1190640 A CA 1190640A CA 000397305 A CA000397305 A CA 000397305A CA 397305 A CA397305 A CA 397305A CA 1190640 A CA1190640 A CA 1190640A
Authority
CA
Canada
Prior art keywords
video signal
signal
level
pulse
emphasized
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000397305A
Other languages
English (en)
Inventor
Ichitaro Sato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of CA1190640A publication Critical patent/CA1190640A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N5/923—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback using preemphasis of the signal before modulation and deemphasis of the signal after demodulation
CA000397305A 1981-04-06 1982-03-01 Circuit de traitement de signaux video Expired CA1190640A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP56051323A JPS57166786A (en) 1981-04-06 1981-04-06 Video signal processing circuit
JP51323/81 1981-04-06

Publications (1)

Publication Number Publication Date
CA1190640A true CA1190640A (fr) 1985-07-16

Family

ID=12883700

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000397305A Expired CA1190640A (fr) 1981-04-06 1982-03-01 Circuit de traitement de signaux video

Country Status (9)

Country Link
US (1) US4481547A (fr)
JP (1) JPS57166786A (fr)
AT (1) AT390344B (fr)
AU (1) AU553861B2 (fr)
CA (1) CA1190640A (fr)
DE (1) DE3212713A1 (fr)
FR (1) FR2503509B1 (fr)
GB (1) GB2101837B (fr)
NL (1) NL192808C (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8305858D0 (en) * 1983-03-03 1983-04-07 Indep Broadcasting Authority Noise reduction for video
US4611231A (en) * 1983-05-31 1986-09-09 Matsushita Electric Industrial Co., Ltd. Signal processing apparatus for a video signal
JPS6030285A (ja) * 1983-07-29 1985-02-15 Victor Co Of Japan Ltd 映像信号記録再生装置
JPH0760566B2 (ja) * 1986-04-08 1995-06-28 ソニー株式会社 Ｆｍ録再系のノイズ低減回路
JPS62242480A (ja) * 1986-04-15 1987-10-23 Toshiba Corp Ｆｍ復調装置
GB2212017B (en) * 1987-12-17 1992-05-20 Mitsubishi Electric Corp Frequency demodulator
JPH0279256A (ja) * 1988-09-14 1990-03-19 Kokusai Denshin Denwa Co Ltd <Kdd> 光記録媒体を用いたテレビジョン信号の記録再生方式
JP3074697B2 (ja) * 1990-04-24 2000-08-07 ソニー株式会社 映像信号のｆｍ記録装置
JPH0620190U (ja) * 1992-06-01 1994-03-15 川崎重工業株式会社 水先人用梯子装置
US5386590A (en) * 1993-07-28 1995-01-31 Celeritas Technologies, Ltd. Apparatus and method for increasing data transmission rate over wireless communication systems using spectral shaping
US5533048A (en) * 1993-07-28 1996-07-02 Celeritas Technologies, Ltd. Apparatus and method for compensating for limiter induced non-linear distortion in a wireless data communication system
US5838733A (en) * 1993-12-23 1998-11-17 Motorola, Inc. Method and apparatus for mitigating signal distortion in a communication system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3288930A (en) * 1964-11-12 1966-11-29 Winston Res Corp Wide-band signal-translating channel
JPS5840369B2 (ja) * 1974-04-04 1983-09-05 ソニー株式会社 クリツプカイロ
GB1579138A (en) * 1976-07-06 1980-11-12 Sony Corp Noise and cross-talk elimination in recording and reproducing video signals
JPS539507A (en) * 1976-07-14 1978-01-28 Sony Corp Recording apparatus
JPS5327010A (en) * 1976-08-25 1978-03-13 Sony Corp Signal tran smitter
JPS5412714A (en) * 1977-06-29 1979-01-30 Matsushita Electric Ind Co Ltd Recorder-reproducer
JPS54145111A (en) * 1978-05-02 1979-11-13 Sony Corp Video signal recorder-reproducer
JPS5661011A (en) * 1979-10-23 1981-05-26 Sony Corp Reproduction circuit for angular modulation signal
JPS62227160A (ja) * 1986-03-28 1987-10-06 Kyocera Corp 電子写真用現像剤の製造方法

Also Published As

Publication number Publication date
GB2101837B (en) 1985-04-03
US4481547A (en) 1984-11-06
NL8201394A (nl) 1982-11-01
DE3212713C2 (fr) 1990-11-15
AU553861B2 (en) 1986-07-31
JPS57166786A (en) 1982-10-14
ATA137382A (de) 1989-09-15
JPH0121672B2 (fr) 1989-04-21
FR2503509A1 (fr) 1982-10-08
DE3212713A1 (de) 1982-11-04
NL192808B (nl) 1997-10-01
AU8109482A (en) 1982-10-14
NL192808C (nl) 1998-02-03
GB2101837A (en) 1983-01-19
AT390344B (de) 1990-04-25
FR2503509B1 (fr) 1989-07-28

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Legal Events

Date Code Title Description
MKEX Expiry